RT Turn Up: DLP-511
363-205-401
Page 2 of 2
Issue 7, March 1997
11.
!
CAUTION:
Incorrectly set ADU option switches may result in immediate or future
loss of service or may introduce errors into the digital bitstream.
Replace ADU with a correctly optioned ADU.
Reference:
DLP-505, DLP-506, DLP-507
12. Wait 20 seconds and then reseat TCU while observing FAIL indicator on
TCU faceplate.
13. Did FAIL indicator on TCU light momentarily?
If YES, then proceed to Step 16.
If NO, then continue with Step 14.
14.
!
CAUTION:
Incorrectly set ADU option switches may result in immediate or future
loss of service or may introduce errors into the digital bitstream.
Replace ADU with ADU removed previously.
15. Check wiring between PCU in AB shelf and TCU using SD-7C117-02. Repeat
procedure from Step 2 after locating and correcting trouble.
16. Did FAIL indicator on TCU go off and remain off?
If YES, then STOP. YOU HAVE COMPLETED THIS PROCEDURE.
If NO, then continue with Step 17.
17. Replace TCU while observing FAIL indicator on TCU faceplate.
18. Did FAIL indicator on TCU go off and remain off?
If YES, then STOP. YOU HAVE COMPLETED THIS PROCEDURE.
If NO, then continue with Step 19.
19. Replace TCU with TCU removed previously.
20. Check wiring using SD-7C117-02. Repeat procedure from Step 2 after locat-
ing and correcting trouble.